3.6. Updating Nodes on the Cluster

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3.6. Updating Nodes on the Cluster

A cluster is a dynamic system in which nodes might be stopped either deliberately or by unforeseen circumstances, or nodes might be added to the cluster on-the-fly to scale the database for improved performance. The voltdb start command provides the following additional functions, described later in this book, for rejoining and adding nodes to a running VoltDB database: